
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>All Done!</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f5f5f5;
        }
        .container {
            text-align: center;
            padding: 30px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        h1 {
            color: #28a745;
            margin-bottom: 20px;
        }
        p {
            font-size: 18px;
            margin-bottom: 20px;
        }
        button {
            padding: 10px 20px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>All Done! 🎉</h1>
        <p>You have reviewed all equations in the dataset.</p>
        <form method="post" action="/next_pdf">
            <button type="submit">Start Over</button>
        </form>
    </div>
</body>
</html>
    